JPH1061208A - Fracture method for object to be fractured - Google Patents
Fracture method for object to be fracturedInfo
- Publication number
- JPH1061208A JPH1061208A JP22192796A JP22192796A JPH1061208A JP H1061208 A JPH1061208 A JP H1061208A JP 22192796 A JP22192796 A JP 22192796A JP 22192796 A JP22192796 A JP 22192796A JP H1061208 A JPH1061208 A JP H1061208A
- Authority
- JP
- Japan
- Prior art keywords
- mounting hole
- fracture
- fractured
- destruction
- probe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、放電による衝撃エ
ネルギーを用いた被破壊物の破壊方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for destroying an object to be destroyed using impact energy due to electric discharge.
【０００２】[0002]
【従来の技術】従来、放電による衝撃エネルギーを用い
てコンクリート構造物や岩石などの被破壊物を破壊する
方法は、金属細線を介して互いに接続した一対の電極を
コンデンサーに接続し、被破壊物に装着孔を穿ち、この
装着孔に水や油などの破壊用物質を注入するとともに電
極を装着し、コンデンサーに充電蓄積した電気エネルギ
ーを短時間で金属細線に放電供給することにより、金属
細線を急激に溶融蒸発させるとともに破壊用物質を気化
させ、その際の膨張力で被破壊物を破壊させるものであ
る。2. Description of the Related Art Conventionally, a method of destroying an object to be destroyed such as a concrete structure or a rock by using impact energy due to electric discharge is a method of connecting a pair of electrodes connected to each other through a thin metal wire to a capacitor. Drilling materials such as water and oil are injected into the mounting holes, electrodes are mounted, and the electric energy charged and stored in the capacitor is discharged and supplied to the fine metal wires in a short time. The material is rapidly melted and vaporized, and the substance for destruction is vaporized.
【０００３】[0003]
【発明が解決しようとする課題】上記被破壊物の破壊方
法では、被破壊物の破壊時に、装着孔の開口端部は自由
面となっているので、破壊用物質を気化の際の衝撃力が
逃げ、従って、破壊効率の低下が生じてしまっていた。In the above method for destroying an object to be destroyed, when the object to be destroyed is destroyed, the opening end of the mounting hole is a free surface. Escaped, thus reducing the destruction efficiency.
【０００４】そこで本発明は、上記課題を解決し得る被
破壊物の破壊方法の提供を目的とする。Accordingly, an object of the present invention is to provide a method for destroying an object to be destroyed, which can solve the above-mentioned problems.
【０００５】[0005]
【課題を解決するための手段】本発明における課題を解
決するための手段は、金属細線を介して互いに接続した
一対の電極をコンデンサーに接続し、被破壊物に装着孔
を穿ち、金属細線を装着孔に装着するとともに破壊用物
質中に浸漬し、装着孔より大径の押さえ部を有した押さ
え具を装着孔の開口端部に押圧し、押さえ部を押圧装置
で装着孔の深さ方向に押圧した状態で、コンデンサーに
充電蓄積した充電電圧による電気エネルギーを金属細線
に短時間で放電供給することにより金属細線を急激に溶
融蒸発させて破壊用物質を気化させ、その際の膨張力で
被破壊物を破壊させるものである。Means for solving the problems of the present invention are as follows. A pair of electrodes connected to each other through a thin metal wire are connected to a capacitor, a mounting hole is drilled in an object to be destroyed, and a thin metal wire is formed. Attach it to the mounting hole and immerse it in the substance for destruction, press the holding tool having a holding part with a larger diameter than the mounting hole against the opening end of the mounting hole, and press the holding part with the pressing device in the depth direction of the mounting hole. In a state of being pressed, the electric energy by the charging voltage stored and charged in the capacitor is discharged and supplied to the fine metal wire in a short time, thereby rapidly melting and evaporating the fine metal wire to vaporize the substance for destruction, and using the expansion force at that time. It destroys the object to be destroyed.
【０００６】[0006]
【発明の実施の形態】以下、本発明の実施の形態を図１
〜図４に基づいて説明する。この破壊装置１は、宅地造
成地の岩盤破壊および岩石の小割り作業、あるいはトン
ネルの仕上げ破壊やコンクリート構造物などの被破壊物
Ｈ１の解体に用いられるものである。FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIG. The destruction device 1 is used for rock destruction and subdivision of rock on a residential land development site, finish destruction of a tunnel, and demolition of a destruction object H1 such as a concrete structure.
【０００７】そして図４の構成図に示すように、前記破
壊装置１における破壊プローブ１Ａは、プラスチックゴ
ム（合成ゴム）や防水処理紙あるいはガラスから形成さ
れ被破壊物Ｈ１に形成した装着孔２０ａに装着する破壊
容器２に、発生衝撃力伝達用の破壊用物質（例えば水な
どが用いられる）３が充填され、破壊容器２の封入栓２
ａに、一対の電極４の端子５に接続した導線６が挿通さ
れ、電極４どうしの途中は、保持具７によって、離間距
離を一定に保持され、先端部どうしに金属細線（例えば
Ｃｕからなる）８が溶接などにより接続され、前記破壊
用物質３に浸漬されている。As shown in the block diagram of FIG. 4, a destruction probe 1A in the destruction device 1 is provided in a mounting hole 20a formed of plastic rubber (synthetic rubber), waterproof paper or glass, and formed in an object H1 to be destroyed. The destruction container 2 to be mounted is filled with a destruction substance (for example, water or the like) 3 for transmitting the generated impact force.
A conductive wire 6 connected to the terminal 5 of the pair of electrodes 4 is inserted through the wire a. A distance between the electrodes 4 is kept constant by a holder 7 between the electrodes 4. ) 8 is connected by welding or the like, and is immersed in the destructive substance 3.
【０００８】また破壊装置１には、図３に示すように、
金属細線８に電極４を介して電気エネルギーを供給する
ための、エネルギー供給装置９が設けられている。この
エネルギー供給装置９は、電極４の端子５間に接続され
た電源装置１０と、この電源装置１０と端子５間に並列
接続されたコンデンサー１３と、コンデンサー１３と電
源装置１０との間に接続して図示しない充電スイッチお
よび充電抵抗器を備えた充電制御用の制御装置１１と、
この制御装置１１とコンデンサー１３および端子５の間
に接続された放電スイッチ１２とから構成されている。[0008] Further, as shown in FIG.
An energy supply device 9 for supplying electric energy to the thin metal wires 8 via the electrodes 4 is provided. The energy supply device 9 includes a power supply device 10 connected between the terminals 5 of the electrodes 4, a capacitor 13 connected in parallel between the power supply device 10 and the terminals 5, and a connection between the capacitor 13 and the power supply device 10. A control device 11 for charging control, which includes a charging switch and a charging resistor (not shown),
The control device 11 includes a discharge switch 12 connected between the capacitor 13 and the terminal 5.
【０００９】また本発明の実施の形態では、装着孔２０
ａの入口部に充填する封入部材（以下「タンピング材」
と称し、例えば砂が用いられる）２５を装着孔２０ａの
開口部分で装着孔２０ａの深さ方向に押圧するための図
示しない押圧装置（例えばエアシリンダ装置、油圧シリ
ンダ装置などが用いられる）が設けられ、この押圧装置
は、ロッド部（押さえ具）２６全体が金属製とされ、ロ
ッド部２６の先端部が装着孔２０ａより大径に形成され
た押さえ部２７とされ、この押さえ部の先に、これと同
径で合成ゴム製の押さえ部材２８が固定されている。In the embodiment of the present invention, the mounting hole 20
a filling member (hereinafter referred to as “tamping material”)
A pressing device (not shown) (for example, an air cylinder device, a hydraulic cylinder device, or the like is used) for pressing the mounting hole 20a in the depth direction of the mounting hole 20a at the opening of the mounting hole 20a is provided. In this pressing device, the entire rod portion (pressing tool) 26 is made of metal, and the distal end of the rod portion 26 is formed as a pressing portion 27 having a diameter larger than the mounting hole 20a. A holding member 28 of the same diameter and made of synthetic rubber is fixed.
【００１０】上記のように構成した破壊装置１におい
て、予め所定のドリルで装着孔２０ａを形成しておき、
一方で破壊容器２の内部に破壊用物質３を注入し、電極
４間に金属細線８を取付け、金属細線８を破壊用物質３
に浸漬する。In the breaking device 1 configured as described above, the mounting hole 20a is formed in advance with a predetermined drill,
On the other hand, a destruction substance 3 is injected into the destruction container 2, a thin metal wire 8 is attached between the electrodes 4, and the thin metal wire 8 is
Soak in
【００１１】このようにした破壊プローブ１Ａを、装着
孔２０ａに装着し、その後装着孔２０ａの先端部分に水
を含ませて粘性を付与した封入部材２５で蓋をし、押さ
え部材２８の中央が装着孔２０ａの開口端部に位置合わ
せして当接し、押さえ部材２８で装着孔２０ａを被覆し
て、所定の押圧力で押さえ部材２８を装着孔２０ａの深
さ方向に押圧する。The breaking probe 1A as described above is mounted in the mounting hole 20a, and thereafter, the distal end of the mounting hole 20a is covered with a sealing member 25 that is made viscous by impregnating water. The mounting hole 20a is positioned and abutted on the opening end of the mounting hole 20a, the mounting hole 20a is covered with the pressing member 28, and the pressing member 28 is pressed in a depth direction of the mounting hole 20a with a predetermined pressing force.
【００１２】このように破壊プローブ１Ａを設置し押さ
え部材２８で装着孔２０ａの深さ方向に押圧する一方
で、金属細線８の端子５に接続したエネルギー供給装置
９のコンデンサー１３に、制御装置１１の充電スイッチ
をオンすることにより電気エネルギーを蓄積しておき、
この蓄積した電気エネルギーを放電スイッチ１２をオン
して金属細線８に供給する。In this manner, the breaking probe 1A is installed and pressed by the holding member 28 in the depth direction of the mounting hole 20a, while the control device 11 is connected to the capacitor 13 of the energy supply device 9 connected to the terminal 5 of the thin metal wire 8. By turning on the charge switch, the electric energy is stored,
The stored electric energy is supplied to the thin metal wire 8 by turning on the discharge switch 12.
【００１３】そうすると、電気エネルギーが短時間で金
属細線８に供給され、金属細線８が急激に溶融気化する
とともに、破壊用物質３が急激に気化し、その際に発生
する衝撃圧力で被破壊物Ｈ１が破壊されたり脆弱化す
る。Then, electric energy is supplied to the thin metal wire 8 in a short time, the thin metal wire 8 is rapidly melted and vaporized, and the destructive substance 3 is rapidly vaporized. H1 is destroyed or weakened.
【００１４】そしてその際の衝撃圧力は、装着孔２０ａ
の開口端部に向けても働くが、装着孔２０ａの開口端部
では、押さえ部材２８を装着孔２０ａの深さ方向に押圧
し、押さえ部材２８を合成ゴム製とすることにより、こ
れが装着孔２０ａの開口端部に密着するので、衝撃圧力
が装着孔２０ａの開口端部から逃げるのを確実に防止す
ることができ、この衝撃圧力は、装着孔２０ａの径方向
にも働き、被破壊物Ｈ１を確実に破壊したり脆弱化させ
たりすることができる。The impact pressure at that time is set in the mounting hole 20a.
At the opening end of the mounting hole 20a, the pressing member 28 is pressed in the depth direction of the mounting hole 20a, and the pressing member 28 is made of synthetic rubber. The contact with the opening end of the mounting hole 20a can reliably prevent the impact pressure from escaping from the opening end of the mounting hole 20a. H1 can be reliably destroyed or weakened.
【００１５】また従来のように、衝撃圧力が装着孔２０
ａの開口端部から逃げる場合は、破壊時の騒音が増大す
るが、本発明の実施の形態によれば、衝撃圧力が装着孔
２０ａの開口端部から逃げるのを防止することができる
ので、破壊時の騒音の低下を実現することができた。Also, as in the prior art, the impact pressure is
In the case of escaping from the opening end of a, the noise at the time of destruction increases, but according to the embodiment of the present invention, the impact pressure can be prevented from escaping from the opening end of the mounting hole 20a. The noise at the time of destruction was able to be reduced.
【００１６】具体的には、従来の破壊時の騒音が１００
ｄＢだったのを、本発明の実施の形態によれば、９０ｄ
Ｂ以下に低下させることができた。このように、本発明
の実施の形態によれば、被破壊物Ｈ１の破壊時に、破壊
プローブ１Ａを装着した装着孔２０ａの開口端部で、押
さえ部材２８を装着孔２０ａの深さ方向に押圧している
ので、衝撃圧力が装着孔２０ａの開口端部から逃げるの
を確実に防止することができ、従って、破壊効率を向上
させることができる。Specifically, the conventional noise at the time of destruction is 100
According to the embodiment of the present invention, 90 dB was used.
B or less. As described above, according to the embodiment of the present invention, when the object to be destroyed H1 is broken, the holding member 28 is pressed in the depth direction of the mounting hole 20a at the opening end of the mounting hole 20a to which the destruction probe 1A is mounted. As a result, it is possible to reliably prevent the impact pressure from escaping from the opening end of the mounting hole 20a, and to improve the destruction efficiency.
【００１７】[0017]
【発明の効果】以上の説明から明らかな通り、本発明
は、コンデンサーに充電蓄積した電気エネルギーを金属
細線に短時間で放電供給することにより金属細線を急激
に溶融蒸発させて破壊用物質を気化させ、その際の膨張
力で被破壊物を破壊させる際に、装着孔より大径の押さ
え部を有した押さえ具を装着孔の開口端部に押圧し、押
さえ部を押圧装置で装着孔の深さ方向に押圧するように
したので、衝撃圧力が装着孔の開口端部から逃げるのを
確実に防止して、破壊効率を向上させることができる。As is apparent from the above description, the present invention discharges and supplies electric energy charged and stored in a capacitor to a thin metal wire in a short time, thereby rapidly melting and evaporating the thin metal wire to vaporize a destructive substance. When the object to be destroyed is destroyed by the expansion force at that time, a pressing tool having a pressing portion having a diameter larger than the mounting hole is pressed against the opening end of the mounting hole, and the pressing portion is pressed into the mounting hole with a pressing device. Since the pressing is performed in the depth direction, it is possible to reliably prevent the impact pressure from escaping from the opening end of the mounting hole and improve the destruction efficiency.
【図１】本発明の実施の形態を示す破壊装置の破壊プロ
ーブを装着した状態の断面図である。FIG. 1 is a cross-sectional view of a breaking device according to an embodiment of the present invention, in which a breaking probe is mounted.
【図２】同じく押さえ部材で装着孔の開口端部を被覆し
て封入部材を装着孔の深さ方向に押圧した状態の断面図
である。FIG. 2 is a cross-sectional view showing a state in which an opening end of the mounting hole is covered with a pressing member and the sealing member is pressed in a depth direction of the mounting hole.
【図３】同じく破壊装置の全体構成図である。FIG. 3 is an overall configuration diagram of the breaking device.
【図４】同じく破壊プローブの構成を示す断面図であ
る。FIG. 4 is a cross-sectional view showing the structure of the destruction probe.
１ 破壊装置 １Ａ 破壊プローブ ２ 破壊容器 ３ 破壊用物質 ４ 電極 ８ 金属細線 ９ エネルギー供給装置 １０ 電源装置 １１ 制御装置 １２ 放電スイッチ １３ コンデンサー ２０ａ 装着孔 ２５ 封入部材 ２６ ロッド部 ２７ 押さえ部 ２８ 押さえ部材 Ｈ１ 被破壊物 DESCRIPTION OF SYMBOLS 1 Destruction device 1A Destruction probe 2 Destruction container 3 Destruction substance 4 Electrode 8 Fine metal wire 9 Energy supply device 10 Power supply device 11 Control device 12 Discharge switch 13 Capacitor 20a Mounting hole 25 Enclosure member 26 Rod portion 27 Press portion 28 Press member H1 Cover Destruction
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤沢 薫 東京都千代田区神田司町２−３ 株式会社 大林組東京本社内 (72)発明者 荒井 浩成 大阪府大阪市此花区西九条５丁目３番28号 日立造船株式会社内 (72)発明者 井上 鉄也 大阪府大阪市此花区西九条５丁目３番28号 日立造船株式会社内 (72)発明者 塚原 正徳 大阪府大阪市此花区西九条５丁目３番28号 日立造船株式会社内 (72)発明者 玉越 大介 大阪府大阪市此花区西九条５丁目３番28号 日立造船株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Kaoru Fujisawa, 2-3 Kandajicho, Chiyoda-ku, Tokyo Obayashi Corporation Tokyo head office (72) Inventor Hironari Arai 5-28, Nishikujo, Konohana-ku, Osaka-shi, Osaka No. Hitachi Zosen Corporation (72) Inventor Tetsuya Inoue 5-28 Nishikujo 5-chome, Konohana-ku, Osaka-shi, Japan Hitachi Zosen Corporation (72) Masanori Tsukahara 5--3 Nishikujo, Konohana-ku, Osaka-shi, Osaka No. 28 Inside Hitachi Zosen Corporation (72) Inventor Daisuke Tamakoshi 5-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka-shi Inside Hitachi Zosen Corporation
Claims (1)
電極をコンデンサーに接続し、被破壊物に装着孔を穿
ち、金属細線を装着孔に装着するとともに破壊用物質中
に浸漬し、装着孔より大径の押さえ部を有した押さえ具
を装着孔の開口端部に押圧し、押さえ部を押圧装置で装
着孔の深さ方向に押圧した状態で、コンデンサーに充電
蓄積した充電電圧による電気エネルギーを金属細線に短
時間で放電供給することにより金属細線を急激に溶融蒸
発させて破壊用物質を気化させ、その際の膨張力で被破
壊物を破壊させることを特徴とする被破壊物の破壊方
法。A pair of electrodes connected to each other via a thin metal wire are connected to a capacitor, a mounting hole is drilled in the object to be destroyed, the thin metal wire is mounted in the mounting hole, and immersed in a substance for destruction. Electric energy due to the charging voltage stored and charged in the capacitor with the holding tool having a larger diameter holding part pressed against the opening end of the mounting hole and the holding part pressed in the depth direction of the mounting hole with the pressing device. Is characterized by rapidly melting and evaporating the thin metal wire to vaporize the destruction material by expanding and discharging the thin wire in a short time, thereby breaking the destruction object by the expansion force at that time. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22192796A JP3773305B2 (en) | 1996-08-23 | 1996-08-23 | Destruction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22192796A JP3773305B2 (en) | 1996-08-23 | 1996-08-23 | Destruction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1061208A true JPH1061208A (en) | 1998-03-03 |
| JP3773305B2 JP3773305B2 (en) | 2006-05-10 |
Family
ID=16774347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22192796A Expired - Fee Related JP3773305B2 (en) | 1996-08-23 | 1996-08-23 | Destruction method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3773305B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009145000A (en) * | 2007-12-17 | 2009-07-02 | Hitachi Zosen Corp | Discharge destruction tool |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010275722A (en) * | 2009-05-27 | 2010-12-09 | Hitachi Zosen Corp | Destruction method |
| JP2011047803A (en) * | 2009-08-27 | 2011-03-10 | Hitachi Zosen Corp | Method of calculating destruction property |
| KR102145713B1 (en) * | 2019-12-30 | 2020-08-19 | (주)태평양기술산업 | Non-vibration braking apparatus using low voltage based heating expansion technology |
-
1996
- 1996-08-23 JP JP22192796A patent/JP3773305B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009145000A (en) * | 2007-12-17 | 2009-07-02 | Hitachi Zosen Corp | Discharge destruction tool |
Also Published As
| Publication number | Publication date |
|---|---|
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